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2012113200 = 2435217531861
BaseRepresentation
bin111011111101110…
…0110100100110000
312012020010221102010
41313323212210300
513110100110300
6531354322520
7100601452146
oct16773464460
95166127363
102012113200
11942870479
12481a29440
13260b28a36
1415132d596
15bb9a6a50
hex77ee6930

2012113200 has 240 divisors, whose sum is σ = 6957117216. Its totient is φ = 495206400.

The previous prime is 2012113199. The next prime is 2012113223. The reversal of 2012113200 is 23112102.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×20121132002 = 8097199059228480000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1080270 + ... + 1082130.

Almost surely, 22012113200 is an apocalyptic number.

2012113200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2012113200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3478558608).

2012113200 is an abundant number, since it is smaller than the sum of its proper divisors (4945004016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2012113200 is a wasteful number, since it uses less digits than its factorization.

2012113200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952 (or 1941 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2012113200 is about 44856.5848008963. The cubic root of 2012113200 is about 1262.4595444998.

Adding to 2012113200 its reverse (23112102), we get a palindrome (2035225302).

The spelling of 2012113200 in words is "two billion, twelve million, one hundred thirteen thousand, two hundred".